Articles of clothing for surgical purposes; Respiratory exercisers; Protective mouth masks for veterinary use; Apparatus for the alleviation of breathing difficulties; Apparatus for use in the improvement of respiration; Canes for medical purposes; Conforming bandages; Knee braces; Devices for mounting medical ventilators; Bed pans; Clinical thermometers; Electrically operated massagers; Mirrors for dentists; Medical apparatus for assisting breathing; Compression stockings; Sheets (drapes) for medical use; Face masks for medical use; Nebulizers for medical use; Adjustment units for acousticians (for medical use); Apparatus for producing oxygen for medical use